It looks tremendous, and I'm really amazed at what's becoming possible in the browser these days.

I can see this sort of application improving development cycles. A really interesting application from Mozilla.  Still Alpha, but if it blends a number of new web techs very well:

Embedded Link

Mozilla Labs : TowTruck
A service for your website that makes it surprisingly easy to collaborate in real-time.

Google+: View post on Google+

This post was first made on the Richard Hearne Google+ profile.